Influence of channel reservation on the handover calls flow in mobile network-Reference-Cited by-同舟云学术

Influence of channel reservation on the handover calls flow in mobile network

Published:2020-08-01 Issue:4 Volume:71 Page:262-267
ISSN:1339-309X
Container-title:Journal of Electrical Engineering
language:en
Short-container-title:

Author:

Lebl Aleksandar¹,Mitić Dragan²,Markov Žarko²,Matić Vladimir¹

Affiliation:

1. Department of Radio Communications Engineering , Institute IRITEL a.d. , Belgrade 11080 , Serbia

2. Department of Optical Communications , Institute IRITEL a.d ,

Abstract

Abstract In this paper the properties of handover traffic are analyzed in the system with channel reservation. The reservation of several traffic channels only for handover calls leads to probability of handover calls congestion decrease to the level of per mill or even lower. The congestion of all traffic channels in the neighbouring cells is the cause that handover traffic process deviates from the Poissonian distribution and this deviation is negligible, because handover calls congestion probability is very low. This low handover calls probability is also the reason why implementation of one equivalent cell instead of 6 neighbouring cells surrounding the central cell does not model satisfactory the traffic flow in the mobile network. The randomness of handover calls arrival to the central cell is tested by our originally developed simulation program. Coefficient of variation of time between handover calls arrival to the central cell is calculated as the result of simulation. We introduced the ratio of the coefficient of variation of the time between new handover calls appearance in the central cell to the value of this coefficient for surrounding cell as the measure of handover calls randomness: the nearer this ration to 1, the more random is handover calls arrival to the central cell.

Publisher

Walter de Gruyter GmbH

Link

https://www.sciendo.com/pdf/10.2478/jee-2020-0035

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